<button class="btn-clipboard" mat-icon-button (click)="onCopyToClipboard()">
  <svg style="width:16px;height:16px;" viewBox="0 0 24 24">
    <path fill="#fff" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z" />
  </svg>
</button>